DS80C390_00 Datasheet, PDF (24/155 Pages) Dallas Semiconductor – High-Speed Microcontroller User’s Guide Supplement

DS80C390 High-Speed Microcontroller User’s Guide Supplement
Data Pointer Extended Register 0 (DPX)
7
6
5
4
3
2
1
0
SFR 93h
RW-0 RW-0 RW-0 RW-0 RW-0 RW-0 RW-0 RW-0
R=Unrestricted Read, W=Unrestricted Write, -n=Value after Reset
DPL.7-0
Bits 7-0
Data Pointer Extended Register 0. This register contains the high-order byte of
the 22-bit address (or 23-bit address when CMA=1) when performing operations
with Data Pointer 0. This register is ignored when addressing data memory in the
16-bit addressing mode.
Data Pointer Extended Register 1 (DPX1)
7
6
5
4
SFR 95h
RW-0 RW-0 RW-0 RW-0
3
RW-0
2
RW-0
1
RW-0
0
RW-0
R=Unrestricted Read, W=Unrestricted Write, -n=Value after Reset
DPL.7-0
Bits 7-0
Data Pointer Extended Register 1. This register contains the high-order byte of
the 22-bit address (or 23-bit address when CMA=1) when performing operations
with Data Pointer 1. This register is ignored when addressing data memory in the
16-bit addressing mode.
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